ATSAMD20J17A-AU vs ATSAMD21J18A-AU Comparison
Detailed side-by-side comparison of ATSAMD20J17A-AU by Microchip Technology and ATSAMD21J18A-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD20J17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD20J17A-AU ✓ ActiveMicrochip Technology
ATSAMD21J18A-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20J17A-AU | ATSAMD21J18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $2.69 |
| Core | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 256 KB |
| SRAM | 16 KB | 32 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Temperature | -40 C to +85 C (Industrial) | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 350 ksps | 2x 12-bit |
| USB | Full-Speed USB 2.0 Device with on-chip PHY | Full-Speed USB 2.0 Device & Host |
| SERCOM | 6 instances, each configurable as UART/SPI/I2C | — |
| I/O Pins | 52 GPIO (varies by package) | — |
| Analog Comparators | 2 | — |
| Timers/Counters | TC x6 + TCC x2 + RTC x1 + WDT x1 | — |
| DMA Channels | 12 | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes | — |
| Family | — | SAM D21J |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| GPIO Count | — | 52 (maximum) |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| SERCOM Modules | — | 6 (configurable UART/SPI/I2C) |
| CoreMark/MHz | — | 2.46 |
| Lead-Free | — | Yes |
| Carrier Type (suffix AU) | — | Tray |